substitution request - Alliance Construction Solutions

2.3 LUMINAIRE-MOUNTED PHOTOELECTRIC RELAYS
A. Comply with UL 773 or UL 773A.
B. Contact Relays: Factory mounted, single throw, designed to fail in the on position, and factory
set to turn light unit on at 1.5 to 3 fc and off at 4.5 to 10 fc with 15-second minimum time
delay. Relay shall have directional lens in front of photocell to prevent artificial light sources from
causing false turnoff.
1. Relay with locking-type receptacle shall comply with ANSI C136.10.
2. Adjustable window slide for adjusting on-off set points.
2.4 FLUORESCENT BALLASTS AND LAMPS
A. Ballasts for Low-Temperature Environments:
1. Temperatures 0 Deg F and Higher: Electronic type rated for 0 deg F starting and
operating temperature with indicated lamp types.
2. Temperatures Minus 20 Deg F and Higher: Electromagnetic type designed for use with
indicated lamp types.
B. Ballast Characteristics:
1. Power Factor: 90 percent, minimum.
2. Sound Rating: Class A.
3. Total Harmonic Distortion Rating: Less than 10 percent.
4. Electromagnetic Ballasts: Comply with ANSI C82.1, energy-saving, high power factor,
Class P, automatic-reset thermal protection.
5. Case Temperature for Compact Lamp Ballasts: 65 deg C, maximum.
6. Transient-Voltage Protection: Comply with IEEE C62.41.1 and IEEE C62.41.2, Category A
or better.
C. Low-Temperature Lamp Capability: Rated for reliable starting and operation with ballast
provided at temperatures 0 deg F and higher.
2.5 BALLASTS FOR HID LAMPS
A. Comply with ANSI C82.4 and UL 1029 and capable of open-circuit operation without reduction
of average lamp life. Include the following features unless otherwise indicated:
1. Ballast Circuit: Constant-wattage autotransformer or regulating high-power-factor type.
2. Minimum Starting Temperature: Minus 22 deg F.
3. Normal Ambient Operating Temperature: 104 deg F.
4. Ballast Fuses: One in each ungrounded power supply conductor. Voltage and current
ratings as recommended by ballast manufacturer.
B. Auxiliary, Instant-On, Quartz System: Factory-installed feature automatically switches quartz
lamp on when fixture is initially energized and when momentary power outages occur. System
automatically turns quartz lamp off when HID lamp reaches approximately 60 percent of light
output.
Project No.: 10145
550 15th Street Dual Brand Hotel
03/19/2012
265600 - 6 EXTERIOR LIGHTING